pm#energy_measure
supertype: pm#physical_process_attribute_or_quality_or_measure
subtype: #work_unit__heat_unit__energy_unit a unit of measurement for work
subtype: #erg a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter
subtype: #electron_volt__eV__ev a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt
subtype: #joule__J__watt_second a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
subtype: #small_calorie__smallcalorie__calorie__gramcalorie unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
subtype: #Calorie__kilogram_calorie__kilocalorie__largecalorie__nutritionist's_calorie a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food
subtype: #British_thermal_unit__BTU__Btu__btu__b.th.u. a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
subtype: #therm a unit of heat equal to 100,000 British thermal units
subtype: #watt-hour a unit of energy equal to the power of one watt operating for one hour
subtype: #kilowatt_hour__kW-hr__Board_of_Trade_unit__B.T.U. a unit of energy equal to the work done by a power of 1000 watts operating for one hour
subtype: #foot-pound a unit of work equal to a force of one pound moving through a distance of one foot
subtype: #foot-ton 2240 foot-pounds
subtype: #foot-poundal a unit of work equal to a force of one poundal moving through a distance of one foot
subtype: #horsepower-hour a unit of work equal to the work done by one horsepower in one hour
subtype: #kilogram-meter a unit of work equal to the work done by a one kilogram force operating through a distance of one meter
subtype: #electromagnetic_unit__electromagneticunit__emu any of various systems of units for measuring electricity and magnetism
subtype: #capacitance_unit__capacitanceunit a measure of the capacity of a circuit component to store charge
subtype: #picofarad a unit of capacitance equal to one trillionth of a farad
subtype: #millifarad a unit of capacitance equal to one thousandth of a farad
subtype: #farad__F the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
subtype: #abfarad a capacitance unit equal to one billion farads
subtype: #charge_unit__quantity_unit a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)
subtype: #coulomb__c__ampere-second a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
subtype: #abcoulomb a unit of electrical charge equal to 10 coulombs
subtype: #ampere-minute a unit of charge equal to 60 coulombs
subtype: #ampere-hour a unit of charge equal to 3600 coulombs
subtype: #conductance_unit__conductanceunit a measure of a material's ability to conduct an electrical charge
subtype: #mho__siemens__siemen__reciprocal_ohm__S a unit of conductance equal to the reciprocal of an ohm
subtype: #current_unit__currentunit a measure of the amount of electric charge flowing past a circuit point at a specific time
subtype: #ampere__amp__A the basic unit of electric current adopted under the System International d'Unites; "a typical household circuit carries 15 to 50 amps"
subtype: #milliampere__mA__ma one thousandth of an ampere
subtype: #abampere__abamp a unit of current equal to 10 amperes
subtype: #international_ampere__internationalampere__ampere a former unit of electric current (slightly smaller than the SI ampere)
subtype: #elastance_unit__elastanceunit the reciprocal of capacitance
subtype: #daraf a unit of elastance equal to the reciprocal of a farad
subtype: #field_strength_unit an electromagnetic unit of magnetic intensity
subtype: #gamma.field_strength_unit a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
subtype: #oersted the magnetic field strength 1 cm from a unit magnetic pole
subtype: #flux_density_unit a measure of the amount of flux per unit of cross sectional area
subtype: #microgauss a unit of magnetic flux density equal to one millionth of a gauss
subtype: #gauss__gaus a unit of magnetic flux density equal to 1 maxwell per square centimeter
subtype: #tesla a unit of magnetic flux density equal to one weber per square meter
subtype: #inductance_unit a measure of the property of an electric circuit by which an electromotive force is induced in it
subtype: #abhenry a unit of inductance equal to one billionth of a henry
subtype: #millihenry a unit of inductance equal to one thousandth of a henry
subtype: #henry__H a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
subtype: #light_unit__lightunit a measure of the visible electromagnetic radiation
subtype: #illumination_unit a measure of illumination
subtype: #footcandle a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle
subtype: #lambert__l a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter
subtype: #lux a unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle
subtype: #phot a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
subtype: #luminance_unit__luminanceunit a measure of luminance
subtype: #nit.luminance_unit a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
subtype: #foot-lambert__ft-L a former luminance unit equal to one lumen per square foot
subtype: #luminous_flux_unit a measure of luminous flux per unit area
subtype: #lm__lumen a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
subtype: #luminous_intensity_unit__candlepower_unit__candlepowerunit a measure of luminous intensity
subtype: #standard_candle__candle__candela__cd the basic unit of luminous intensity adopted under the System International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
subtype: #international_candle__internationalcandle a former international unit of luminous intensity; now replaced by the candela
subtype: #exposure.light_unit the intensity of light falling on a photographic film or plate; "he used the wrong exposure"
subtype: #overexposure.exposure exposure to too much light or for too long a time
subtype: #underexposure.exposure exposure to too little light or for too short a time
subtype: #magnetomotive_force_unit__magnetomotiveforceunit a unit of measurement of magnetomotive force
subtype: #gilbert__gb__Gi a unit of magnetomotive force equal to 0.7958 ampere-turns
subtype: #ampere-turn a unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts
subtype: #magneton a unit of magnetic moment of a molecular or atomic or subatomic particle
subtype: #potential_unit__potentialunit a measure of the potential energy of a unit charge at a give point in a circuit relative to a reference point (ground)
subtype: #abvolt a unit of potential equal to one-hundred-millionth of a volt
subtype: #millivolt__mV__mv a unit of potential equal to one thousandth of a volt
subtype: #volt__V a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
subtype: #kilovolt__kV__kv a unit of potential equal to a thousand volts
subtype: #power_unit__powerunit a measure of electric power
subtype: #abwatt a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt)
subtype: #milliwatt a unit of power equal to one thousandth of a watt
subtype: #watt__W a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
subtype: #kilowatt__kW__kw a unit of power equal to 1000 watts
subtype: #megawatt a unit of power equal to one million watts
subtype: #horsepower__HP__H.P.__h.p.__hp a unit of power equal to 746 watts
subtype: #volt-ampere__var a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
subtype: #kilovolt-ampere a unit of electrical power equal to 1000 volt-amperes
subtype: #radioactivity_unit__radioactivityunit a measure of radioactivity
subtype: #millicurie a unit of radioactivity equal to one thousandth of a curie
subtype: #curie__Ci a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
subtype: #roentgen__R a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
subtype: #rutherford a unit strength of a radioactive source equal to one million disintegrations per second
subtype: #REM__rem (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
subtype: #rad a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
subtype: #resistance_unit the reciprocal of conductance
subtype: #abohm a unit of resistance equal to a billionth of an ohm
subtype: #ohm a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
subtype: #megohm a unit of resistance equal to one million ohms
3 statements are about indirect instances of pm#energy_measure: pm#graph1_on_work.energy, pm#graph1_on_electromagnetism, pm#graph1_on_radiation click here to display them or click here for a search form or here to add a statement